212736693843 has 16 divisors (see below), whose sum is σ = 331753129600. Its totient is φ = 134360016840.

The previous prime is 212736693803. The next prime is 212736693863. The reversal of 212736693843 is 348396637212.

It is not a de Polignac number, because 212736693843 - 2¹⁷ = 212736562771 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212736693843.

It is not an unprimeable number, because it can be changed into a prime (212736693803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207345193 + ... + 207346218.

It is an arithmetic number, because the mean of its divisors is an integer number (20734570600).

Almost surely, 2^212736693843 is an apocalyptic number.

212736693843 is a deficient number, since it is larger than the sum of its proper divisors (119016435757).

212736693843 is a wasteful number, since it uses less digits than its factorization.

212736693843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414691439 (or 414691433 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 54.

The spelling of 212736693843 in words is "two hundred twelve billion, seven hundred thirty-six million, six hundred ninety-three thousand, eight hundred forty-three".